Remove relative link so GitHub Markup can build RDoc
Remove relative link so GitHub Markup can build RDoc

lanastasov/htty,shekkbuilder/htty,pepijnve/htty,bradparks/htty,ilesan-ypg/htty,yous/htty,Ribeiro/htty,dibenso/htty,paolomainardi/htty,shaunstanislaus/htty